Secure context
This feature is available only in secure contexts (HTTPS), in some or all supporting browsers.
The GeolocationCoordinates.altitude
read-only property is a double
representing the altitude of the position in meters, relative to sea level. This value is null
if the implementation cannot provide this data.
Syntax
let alt = geolocationCoordinatesInstance.altitude
Value
A double
representing the altitude of the position in meters, relative to sea level.
Specifications
Specification | Status | Comment |
---|---|---|
Geolocation API The definition of 'Coordinates.altitude' in that specification. |
Recommendation | Initial definition |
Browser compatibility
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
altitude | Chrome Full support 5 | Edge Full support 12 | Firefox Full support 3.5 | IE Full support 9 | Opera
Full support
16
| Safari Full support 5 | WebView Android Full support 37 | Chrome Android Full support 18 | Firefox Android Full support 4 | Opera Android
Full support
16
| Safari iOS ? | Samsung Internet Android Full support 1.0 |
Legend
- Full support
- Full support
- Compatibility unknown
- Compatibility unknown
See also
- Using the Geolocation API
- The
GeolocationCoordinates
interface it belongs to.